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v3.24.3

Events Occurring After the Reporting Date (Details) $ in Millions | Jul. 03, 2024 USD ($)
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Non-Adjusting Events After Reporting Period [Member] |
Events Occurring After the Reporting Date [Line Items] |
Funding facility amount | $ 2

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | imrn_LineOfCreditFacilityMaximumBorrowingsCapacity
Namespace Prefix: | imrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=imrn_NonAdjustingEventsAfterReportingPeriodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |